Blood alcohol level tester



FIG. 1 is a perspective view of a blood alcohol level tester;

FIG. 2 is a top view of the blood alcohol level tester;

FIG. 3 is a bottom view of the blood alcohol level tester;

FIG. 4 is a left side view of the blood alcohol level tester;

FIG. 5 is a right side view of the blood alcohol level tester;

FIG. 6 is a front view of the blood alcohol level tester; and,

FIG. 7 is a back view of the blood alcohol level tester.

The ornamental design for a blood alcohol level tester, as shown anddescribed.